OLED Burn-In Test Guide

A free, browser-based way to detect OLED burn-in on any phone, tablet, monitor, TV, or laptop. Five steps to find it, seven habits to prevent it — using the same colour-field technique that pros use to grade returns.

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What is OLED burn-in?

OLED panels generate light per pixel — every red, green, and blue subpixel is its own organic light-emitting diode. The brighter and longer a subpixel is driven, the faster its phosphorescent material wears down. After thousands of hours, subpixels that have displayed static, bright content (a notification bar, a news ticker, a TV channel logo) emit slightly less light than their less-used neighbours. That uneven wear is burn-in: a permanent ghost outline visible on uniform colour fields.

Burn-in is what makes long-term OLED ownership different from LCD. The good news: detection is straightforward, and modern panels with smart pixel-shift, brightness limiting, and panel-refresh cycles take 1,500–4,000 hours of abuse before visible damage appears. Prevention is mostly habit, not hardware.

OLED vs LCD: who can actually burn in?

Only OLED is at risk of true burn-in. LCD panels use a single backlight uniformly illuminating the entire pixel grid; there’s nothing to wear unevenly. The closest LCD analogue is “image persistence” — a temporary ghost that appears after a static image and clears within minutes once you display varied content. With OLED, persistence is also the first symptom; the difference is that on OLED it can become permanent if the static content is shown long enough.

QLED, mini-LED, and most laptop and monitor “LED” panels are still LCDs underneath. Only true OLED, MLA-OLED, and QD-OLED panels (and the newer micro-LED, which is rare and expensive) are emissive enough to risk burn-in.

How to detect burn-in (5 steps)

  1. Set the room to indirect lighting (no direct sun on the screen) so reflections do not mask faint discolouration.
  2. Turn screen brightness up to 80–100% — burn-in artefacts are easier to see at high luminance because each pixel is asked to deliver its full output.
  3. Open the Dead Pixel Test and cycle through the four solid colour fields one at a time: pure red, pure green, pure blue, and pure white.
  4. On each field, look for ghost outlines of UI elements you frequently use — status bars, navigation tabs, browser address bars, app docks. Burn-in shows up as a slightly darker or differently-tinted region holding the shape of that UI.
  5. Compare what you see across all four colour fields. True burn-in is visible across multiple solid colours; a defect that only appears on one colour is more likely a stuck or dead pixel.

If you spot a faint ghost on the white field that is also visible (perhaps in different intensity) on red, green, and blue, that is burn-in. If the same artefact only appears on one colour, you are looking at a stuck pixel — different problem, simpler fix (sometimes massaging the pixel area or running a colour-flashing test for an hour will revive it).

7 prevention tips that actually work

  1. Lower the brightness when the panel is not actively serving you. OLEDs degrade faster at higher luminance — even dropping from 100% to 70% materially extends panel life.
  2. Enable auto-brightness or adaptive contrast. Modern phones and TVs already do this; just don’t override it permanently to maximum.
  3. Turn on pixel shift / orbiter / screen saver. These slowly drift the image by 1–2 pixels every few minutes, preventing any single pixel from holding the same colour for hours.
  4. Hide static UI when possible. Use auto-hide on Windows / macOS task bars when watching video full-screen, and set TV menus to disappear after a few seconds.
  5. Vary your wallpaper and lock screen. A solid wallpaper held for years is the single largest source of burn-in on phones.
  6. Avoid leaving sports broadcasts (with persistent score bugs) on for hours of background viewing. The score graphic is one of the most common burn-in causes on living-room OLEDs.
  7. Run the manufacturer’s panel-refresh cycle when offered. LG and Sony OLEDs include both a short pixel refresh (every 2,000 hours) and a long panel refresh; let them complete when prompted.

The headline takeaway: lower brightness + variety in content = long panel life. Manufacturers spend a lot of engineering effort to compensate for high-brightness static content; the easiest thing you can do is not give the panel that fight to begin with.

When to file a warranty claim

If you’re inside the warranty period and burn-in is visible during normal viewing (not just on solid colour test screens), document it: a dated photo on each of the four colour fields, plus a note of the brightness setting and ambient light conditions. LG and Sony OLED warranties cover burn-in on a case-by-case basis depending on the panel’s age and the severity of the artefact. Phone OEMs typically do not cover burn-in but will replace panels under standard defect warranty if the device is under one year and the artefact is severe.

Frequently asked questions

What is OLED burn-in?

Burn-in is permanent uneven wear on an OLED panel where pixels that have displayed bright, static content for thousands of hours emit slightly less light than their neighbours. The pattern of the worn pixels matches the static content (a status bar, navigation row, channel logo) and shows up as a faint ghost on otherwise-uniform colour fields.

How long does it take for OLED burn-in to develop?

Modern OLEDs released after 2020 typically take 1,500–4,000 hours of static high-brightness content to develop visible burn-in. Phones rarely show burn-in inside a normal 3-year ownership window. TVs are at higher risk because they often display the same network logo or game HUD for thousands of hours over their lifetime.

OLED vs LCD: which is more prone to burn-in?

OLED is the only mainstream panel type susceptible to true burn-in, because each subpixel is its own light source and degrades individually. LCDs use a single backlight uniformly illuminating a fixed pixel grid, so they cannot burn in. LCDs can show "image persistence" — a temporary ghost that fades within minutes — but never the permanent uneven wear of OLED.

Can OLED burn-in be fixed once it starts?

Mild image persistence (faded after 5–30 minutes) can be cleared by displaying a moving full-screen pattern or running the panel-refresh cycle. True burn-in (still visible after 24+ hours of varied content) is permanent — the worn pixels can never recover the brightness of unworn pixels. Prevention is the only real fix.

Does the dead pixel test detect burn-in too?

Yes — the same four-colour solid-fill technique used to find dead, stuck, or hot pixels also surfaces burn-in. Dead pixels show as black dots, stuck pixels as bright dots, and burn-in as low-contrast ghost shapes covering larger regions in the pattern of UI elements that lived on that part of the screen.

Ready to test your screen? Open the full Dead Pixel Test — works on any device, no install, no signup.